Model launchesSpaceX launches Grok 4.5 — a cost-focused coding and agents model trained with CursorSpaceX on Wednesday released Grok 4.5, its first AI model trained specifically for coding and autonomous agents, developed in partnership with Cursor following a $60 billion acquisition.8 min read
Model launchesGrok 4.5 and Composer different model-weight classes; Composer 2.5 remains availableAccording to the provider's announcement, Grok 4.5 and Composer are different model weight classes; the Composer 2.5 version will remain on offer, and in the future new models of the same 2.5 size will be released.1 min read
Model launchesStartup General Intuition says robotics is close to a 'ChatGPT' momentGeneral Intuition, led by CEO Pim de Witte, believes robotics will shift from bespoke robot-specific models to general-purpose foundation models trained on high-quality datasets.3 min read
Model launchesNVIDIA releases open Isaac GR00T 1.7 platform for end-to-end humanoid robot policy developmentNVIDIA announced the Isaac GR00T Development Platform and the open-source GR00T 1.7 vision-language-action model to unify humanoid robot development from simulation and data collection through post-training, evaluation and deployment.5 min read
Model launchesOpen models advance as Anthropic–US tensions and government controls reshape AI landscapeSummer developments in AI have seen open-weight models close the gap with proprietary systems while regulatory pressure around Anthropic and other firms prompts new access controls.5 min read
Model launchesTencent unveils Hy3 MoE large language model with 256K context lengthTencent's Hy Team has released Hy3, a Mixture-of-Experts large language model with 295 billion parameters (21B active) and a 256K token context window.2 min read
Model launchesRacka: a Hungarian-optimized, reasoning-capable experimental LLMRacka is a Hungarian-language large language model (Racka-4B) developed by researchers at Eötvös Loránd University’s Department of Artificial Intelligence with the Digitális Örökség Nemzeti Laboratórium and in collaboration with Mynds.ai.5 min read
Model launchesAnthropic introduces Claude 3.7 Sonnet with optional “extended thinking” and visible thought tracesAnthropic has released Claude 3.7 Sonnet (announced Feb 24, 2025), which adds an opt‑in “extended thinking mode” that lets the model spend more computation and time on difficult problems, and optionally shows its intermediate thought process.6 min read
Model launchesMicrosoft unveils MAI-Thinking-1, an in-house reasoning language modelMicrosoft introduced MAI-Thinking-1, its first reasoning language model developed independently rather than distilled or fine-tuned from another developer’s model.4 min read
Model launchesAnthropic launches Claude Fable 5 and restricted Claude Mythos 5 with strict safeguards and limited accessAnthropic released two Mythos-class models: Claude Fable 5, widely available but guarded by conservative safety classifiers that fallback to Claude Opus 4.8 for sensitive topics, and Claude Mythos 5, the same core model with some safeguards relaxed for vetted cyberdefense and biomedical partners.5 min read
Model launchesClaude Fable 5 available again on Cursor, leads on CursorBench but most expensive per taskThe Claude Fable 5 model is available again on the Cursor platform; it currently leads in performance on CursorBench, but it incurs the highest cost per task.1 min read
Model launchesFor Claude fans: Sonnet 5 has arrived, Fable returns tomorrowAnthropic announced the release of Sonnet 5 for Claude users and said that the Fable model will return tomorrow; according to the statement there was a lot of misunderstanding around Sonnet 5, so they also tried to clarify the details in a video.1 min read
